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Finding the Fourth Proportional to 480,011.60, 720,017.40 and 164,363.60

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Solution

The fourth proportional to 480,011.60, 720,017.40 and 164,363.60 is: 246,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,011.60 : 720,017.40 = 164,363.60 : x
  2. Step 2: Convert to fraction form
    480,011.60/720,017.40 = 164,363.60/x
  3. Step 3: Cross multiply
    480,011.60x = 720,017.40 × 164,363.60
  4. Step 4: Simplify right side
    480,011.60x = 118,344,651,926.64
  5. Step 5: Solve for x
    x = 118,344,651,926.64/480,011.60
  6. Step 6: Final answer
    x = 246,545.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.